The entrance of the new Berlin Brandenburg International Airport is seen at dusk on Jan. 8, 2013, in Schoenefeld, Germany. Airport governing board members announced recently that the opening of the airport will be postponed for a fifth time. Though no new date has been given the airport will not open before 2014. Carsten Koall, Getty Images

This picture taken on Jan. 10, 2013, shows the new Berlin Brandenburg International Airport at dawn. Johannes Eisele, AFP/Getty Images

Delays to the Berlin Brandenburg International Airport have become so endemic that even a Legoland display in nearby Hamburg pokes fun at the problems plaguing the airfield. Maurizio Gambarini, AFP/Getty Images

An empty road leads to the Berlin Brandenburg International Airport on Jan. 10, 2013. The many delays, which are now measured in years, have caused construction costs to double and are proving an embarrassment for city and state leaders. Johannes Eisele, AFP/Getty Images

A photo taken on May 4, 2012, shows an excavator in front of the control tower of the new Berlin Brandenburg International Airport. John MacDougall, AFP/Getty Images

In this picture taken May 16, 2012, a red flag flies at the new Berlin Brandenburg International Airport. The $3.2 billion airport was meant to replace the aging Tegel and Schoenefeld airports, wrapping up another chapter in the reunification of the formerly divided city. Klaus-Dietmar Gabbert, AP

A new sign remains covered outside of the main terminal building at the still-unopened Berlin Brandenburg International Airport on March 8, 2013. Adam Berry, Getty Images

A construction worker prepares to move building materials outside the main terminal of the Berlin Brandenburg International Airport on March 8, 2013. Adam Berry, Getty Images

In this March 14, 2013, photo, a fence shields the main terminal of the new Berlin Brandenburg International Airport. Markus Schreiber, AP

Two men walk to the main terminal of the new Berlin Brandenburg International Airport on March 14, 2013. Markus Schreiber, AP

The sun shines over the empty main terminal of the new Berlin Brandenburg International Airport in this March 14, 2013, photo. Markus Schreiber, AP

In this March 14, 2013, photo, a passenger bridge waits on the empty airfield of the new Berlin Brandenburg International Airport. Markus Schreiber, AP

The Berlin Brandenburg International Airport is partially illuminated on March 14, 2013. Markus Schreiber, AP

The main terminal of the new Berlin Brandenburg International Airport on March 14, 2013. Markus Schreiber, AP

The Steigenberger Hotel stands at Berlin Brandenburg International Airport, both still unopened, on March 8, 2013. Adam Berry, Getty Images

Hartmut Mehdorn, former head of Air Berlin and rail operator Deutsche Bahn, poses during a press conference on March 8, 2013, in Schoenefeld. Germany's transport minister appointed Mehdorn as the new chief of Berlin's much-delayed main new airport. Hannibal Hanschke, AFP/Getty Images

Until the Berlin Brandenburg International Airport finally opens, most flights to and from Berlin will continue to use the city's popular-but-cramped Tegel airport. Michael Sohn, AP